<!DOCTYPE html >
<html>
<head>
<script 
src = "http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js">
</script>
<script>
$(document).ready(function(){
	$("#hide").click(function(){
		$("p").hide();
	});
	$("#show").click(function(){
		$("p").show();
	});
});
</script>
<title>Insert title here</title>
</head>
<body>
<p>If you click on the "Hide" button, I will disappear</p>
<button id="hide">Hide</button>
<button id="show">Show</button>
</body>
</html>